Freeman 821 Aluminum-Filled Epoxy Casting Resin

Spec Table
Popular Specifications

83D Shore Hardness
4" Cast Thickness
85 min. Gel Time

Freeman 821 is an economical aluminum-filled epoxy casting resin that is excellent for making wear resistant core boxes, patterns, and tooling fixtures. Once cured features excellent machining and polishing characteristics. Low shrinkage, long gel time, and lower exotherm enables this material to be poured up to 4" thick.

Freeman 821 is an alternative to Freeman 801, RenCast 3269 and Epocast 4D-A/951.

SKU Description   UM Thick Width Length Height Board ft. Net Wt. Diameter Grade Grit Plys Radius SPB Ship Note Min. Qty Pcs/Box Pcs/Bundle Winding Ft/Box Handle Len Head Diam Head Len Mfg. # Qty
057935 Freeman 821 - 5 Gallon (Resin Only) EA 60
057936 Freeman 821 - 1 Gallon, 2-pack (Hardener Only) EA 8.6 HAZ-G

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Important Information

  • Shipping: Freeman charges standard published UPS/FedEx shipping rates (unless freight is specified). All orders under $25 are subject to a $5 small order fee. International orders are subject to a $250 minimum order.

  • Liquid products are sold by weight, not volume.

  • SPB = Sheets per Box

  • HAZ-G = Hazardous material, cannot ship air, up to $33 surcharge applied for each package shipped ground within the US.

  • HAZ-A = Hazardous material, cannot ship air, no surcharge for ground shipping.

  • HAZ-T = Toxic material, must be sent by freight carrier.

  • FRT = must be sent by freight carrier due to size, weight, or hazardous classification.

Product Table Legend

  Special Order

Minimum quantities and extended lead times may apply. Cannot be cancelled or returned once processed.


This item is not stocked in Freeman warehouses and may be subject to extended lead times.

  Limited Stock

Due to limited stock availability, extended lead times may apply.

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Available at special pricing on our closeout list. Subject to prior sale.

  Web Discounts

Item is discounted for quotes or orders completed on the website only.

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